function _(name) {return document.getElementById(name);}
var URLUtils = {
	getFeedURL:function(elems) {
		var mfeedURL=Params.URL_BASE+"?";
		if (jQuery.trim(elems.feedURL)) {
			mfeedURL+= Params.FEED_LOC+"="+encodeURIComponent(jQuery.trim(elems.feedURL))
		}
		if (jQuery.trim(elems.feedTitle)) {
			mfeedURL+= "&"+Params.FEED_TITLE_LOC+"="+encodeURIComponent(jQuery.trim(elems.feedTitle));
		}		
		return mfeedURL;
	},
	getFileURL:function(elems) {
		var mfileURL=Params.URL_BASE+"?";
		if (jQuery.trim(elems.fileURL)) {
			mfileURL+= Params.FILE_LOC+"="+encodeURIComponent(jQuery.trim(elems.fileURL))
		}
		if (jQuery.trim(elems.fileTitle)) {
			mfileURL+= "&"+Params.FILE_TITLE_LOC+"="+encodeURIComponent(jQuery.trim(elems.fileTitle));
		}
		if (jQuery.trim(elems.feedURL)) {
			mfileURL+= "&"+Params.FEED_LOC+"="+encodeURIComponent(jQuery.trim(elems.feedURL));
		}			
		return mfileURL;
	}
}
var ParamUtils={
	getParam:function(url, param) {
		param=param+"=";
		var idx = url.indexOf(param)+param.length
		if (idx>param.length) {
			return url.substring(idx,(url.indexOf("&",idx)>-1)?url.indexOf("&",idx):url.length)
		}
		return "";
	},
	replacePlusWithSpace:function(str) {
		for (var i=0 ; i<str.length; i++) {
			if(str.charAt(i)=="+") {str=str.substring(0,i)+" "+str.substring(i+1);}
		}
		return str;
	}


}